DE69728523D1 - Bioabbaubares Harz zur Herstellungvon geformten Brillengestellen und geformtes Brillengestell - Google Patents
Bioabbaubares Harz zur Herstellungvon geformten Brillengestellen und geformtes BrillengestellInfo
- Publication number
- DE69728523D1 DE69728523D1 DE69728523T DE69728523T DE69728523D1 DE 69728523 D1 DE69728523 D1 DE 69728523D1 DE 69728523 T DE69728523 T DE 69728523T DE 69728523 T DE69728523 T DE 69728523T DE 69728523 D1 DE69728523 D1 DE 69728523D1
- Authority
- DE
- Germany
- Prior art keywords
- eyeglass frames
- molded eyeglass
- biodegradable resin
- making
- molded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C5/00—Constructions of non-optical parts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15451497 | 1997-05-28 | ||
JP15451497 | 1997-05-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69728523D1 true DE69728523D1 (de) | 2004-05-13 |
DE69728523T2 DE69728523T2 (de) | 2005-02-24 |
Family
ID=15585927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69728523T Expired - Lifetime DE69728523T2 (de) | 1997-05-28 | 1997-10-29 | Bioabbaubares Harz zur Herstellungvon geformten Brillengestellen und geformtes Brillengestell |
Country Status (3)
Country | Link |
---|---|
US (1) | US5844654A (de) |
EP (1) | EP0881246B1 (de) |
DE (1) | DE69728523T2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1393078B1 (it) * | 2009-01-26 | 2012-04-11 | Plastodidattica Commerciale S R L | Metodo per la produzione di lenti di presentazione. |
WO2011081668A2 (en) * | 2009-12-31 | 2011-07-07 | Oculus3D | Biodegradable eyewear for stereoscopic image viewing |
JP6499399B2 (ja) * | 2014-04-03 | 2019-04-10 | 株式会社三城ホールディングス | 埋葬用眼鏡の製造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4057537A (en) * | 1975-01-28 | 1977-11-08 | Gulf Oil Corporation | Copolymers of L-(-)-lactide and epsilon caprolactone |
US5281691A (en) * | 1992-06-19 | 1994-01-25 | Eastman Kodak Company | Poly(3-hydroxyalkanoates) |
US6313202B1 (en) * | 1993-05-28 | 2001-11-06 | Eastman Chemical Company | Cellulose ester blends |
DE4423311C2 (de) * | 1994-07-02 | 2000-02-17 | Angelika Lutz | Verfahren zur Herstellung eines Brillengestells |
US5770682A (en) * | 1995-07-25 | 1998-06-23 | Shimadzu Corporation | Method for producing polylactic acid |
JP3482748B2 (ja) * | 1995-09-11 | 2004-01-06 | 大日本インキ化学工業株式会社 | 乳酸系ポリエステルの製造方法 |
-
1997
- 1997-10-28 US US08/959,449 patent/US5844654A/en not_active Expired - Lifetime
- 1997-10-29 DE DE69728523T patent/DE69728523T2/de not_active Expired - Lifetime
- 1997-10-29 EP EP97118838A patent/EP0881246B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0881246B1 (de) | 2004-04-07 |
EP0881246A2 (de) | 1998-12-02 |
DE69728523T2 (de) | 2005-02-24 |
US5844654A (en) | 1998-12-01 |
EP0881246A3 (de) | 1998-12-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: TANAKA FORESIGHT INC., SABAE, FUKUI, JP |